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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2022
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Article
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Tab 2
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Research Article
Using ARIMA-GARCH Model to Analyze Fluctuation Law of International Oil Price
Table 2
The test result of the ARCH effect.
ā
ARCH(4)
ARCH(8)
Chi-squared
value
Chi-squared
value
WTI
110.17
2.20E-16
107.08
2.20E-16